[讨论]如何分析Ghost focus generator的结果 [复制链接]

Ghost Trace Data
File : C:\Program Files\ZEMAX - Beta\Samples\Sequential\Objectives\Cooke 40 degree field.zmx <@CBc:j0  
Title: A SIMPLE COOKE TRIPLET.
Units are Millimeters.
Wavelength: 0.550000 μm e=t?mDh#E  
Type: Double Bounces 5 Vm |/  
The '****' denotes a possible internal focus +NRn>1]  
RMS is the RMS spot radius on axis at the primary wavelength. X-di^%<  
RMS values of 0.00 indicate that an accurate RMS ;S+c<MSl  
could not be computed, usually due to ray errors.
This analysis may be inaccurate if the system is aE^tc'h~  
non-rotationally symmetric or uses non-standard surfaces.
Ghost reflection off surface 2 then 1. (GH002001.ZMX) Y[8w0ve-g  
Surf     Marginal          F/#          RMS D5X;hd  
   1  5.0000E+000     5.737068  3.5355E+000 (sw1HR  
   2  4.7160E+000     4.595701  3.3570E+000 zO>N3pMv  
   1  4.3614E+000     0.990012  3.1277E+000 hoASrj{s  
   2  2.7155E+000     0.607262  1.9876E+000 "r0z(j  
   3 -2.2309E+000     0.916280  2.6065E+000 P9J3Ii!  
   4 -2.7766E+000     0.514753  0.0000E+000 F2yM2Ldx  
   5 -7.3909E+000     0.888038  0.0000E+000 {jzN  
   6 -9.0530E+000     0.823473  0.0000E+000 mQ#@"9l%  
   7 -3.4681E+001     0.823473  0.0000E+000 RIX0AE  
Marginal ray height    :       -34.6809 ~MY7Ic%  
Chief ray height       :       -24.8107 =5&)^  
Distance to ghost pupil:       -50.9613 3Z'{#<1>^;  
Distance to ghost focus:       -57.1176 3m4?l ~  
Effective focal length :         8.2347